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How to clean and what not to do in the cleaning of natural stone
Como limpar o seu chão de pedra

The stone needs special care so that its beauty and elegance prevails over time, Simple care and maintenance will help to preserve its beauty for generations to come.

LSI Stone recommends periodic cleaning of the natural stone.

In order to reduce the stone damages caused by natural and human abrasion on the Natural stone, we introduce you this article to help you to achieve the best results.

How to clean:

  1. Sweep to remove any dirt particles.
  2. Fill a bucket of warm water and use only water or mix in a small amount of neutral liquid “All-Purpose-Cleaner”, detergent or cleaning solutions specific for stone. Change the solution when it is dirty.
  3. Dip a microfiber towel into the water mixture, or a duster and start cleaning or simply use the wet mop.
  4. Wash the floors by starting at the outermost corner of the room and working methodically towards the room exit.
  5. Allow air circulation in the room for a quick drying.

What you should not do:

  • Don’t use products that contain lemon juice, vinegar or other acids on marble, limestone, or travertine, these will stain the surface.
  • Don’t use abrasive materials like steel wool, microfiber scrub pads, scrapers or abrasive cleansers on these materials as they will scratch the surface.
  • Do not use acid-containing cleaners such as bathrooms or tile cleaners.
  • Don’t use ammonia-based cleaners, they will dull the surface.
  • Do not use vacuum cleaners, it will wear away the stone. Metal, plastic components or wheels can scratch the surface of the stone.
  • Never mix chemicals unless otherwise specified.

Solutions to specific problems:

Oil-based stains (grease, cooking oil tar, food stains etc.)

  • Scouring powder with bleach
  • Household detergent
  • Ammonia
  • Mineral spirits
  • Methyl Chloride

Organic Stains (paper, tea, coffee, fruit, bark and leaf litter etc.)

  • Pour Hydrogen Peroxide 35% directly on stain and add a few drops of ammonia. Leave until bubbling stops
  • Repeat above add poultice
  • Acetone or Toluene or Xylene

Biological Stains (algae, moss fungi, mildew)

  • Dilute ammonia or Bleach
  • Hydrogen Peroxide or Sodium Hypochlorite

Iron Stains 

  • Sodium Citrate and Glycerin
  • Ammonium Oxalate
  • Oxalic Acid Orthophosphoric Acid and Sodium Salt of EDTA in water
  • Dilute Hydrofluoric Acid
  • Ammonium Oxalate

Ink

  • Light colored marbles only use Bleach or Hydrogen Peroxide
  • Dark marbles use Lacquer Thinner or Acetone
  • Methyl Chloride

Scratches

  • Re-polish
  • Re-hone
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